9927440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4003}}^1$

素因数の和:4047

約数の個数: 40

約数和(自身を含む): 23831808

約数和(自身を除く): 13904368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 4003, 8006, 16012, 20015, 32024, 40030, 64048, 80060, 124093, 160120, 248186, 320240, 496372, 620465, 992744, 1240930, 1985488, 2481860, 4963720, 9927440]

約数ペア:

[(1, 9927440), (2, 4963720), (4, 2481860), (5, 1985488), (8, 1240930), (10, 992744), (16, 620465), (20, 496372), (31, 320240), (40, 248186), (62, 160120), (80, 124093), (124, 80060), (155, 64048), (248, 40030), (310, 32024), (496, 20015), (620, 16012), (1240, 8006), (2480, 4003)]